ESP32-C5 with a microphone and battery - Intended as a sensor for Visionstate; use responsibly and solely for the designated purposes. 
Oh very cool! I’m just asking for a friend here but, how conspicuous would something like this look if it were let’s say sitting near the base of a public toilet??? Again, I could care care less but my friend wants to know…
Lil jk. ; )
Very cool idea and thank you for sharing with us!